Sitka Alder - Alnus viridis ssp. sinuata
A shrub alder that is very common, often forming extensive thickets on open slopes, along streams, and at lakeshores, between 2500 and nearly 6000 feet. On the left are pollen catkins; on the right, seed cones. Photographed (left) at Ricksecker Point on May 18, 2014 and (right) at Faraway Rock on August 1, 2014.